<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../css/common.css">
</head>
<body class="justify-content-center align-items-center" style="height: 100vh">
<div class="border" style="width: 200px;height: 200px">fasdfas</div>
</body>
</html>